User`s guide

Table Of Contents
Expanding Your Measurement Experience
4
Agilent E5505A User’s Guide 83
Selecting a reference source
1
From the Define menu, choose Measurement; then choose the Block
Diagram tab from the Define Measurement window. See Figure 49.
2
From the Reference Source pull-down list, select 8644.
Table 8 Tuning characteristics for various sources
VCO Source Carrier
Freq.
Tuning Constant
(Hz/V)
Center
Voltage
(V)
Voltage
Tuning Range
(
±
V)
Input
Resistance (
Ω)
Tuning
Calibration
Method
Agilent 8662/3A
EFC
DCFM
υ
0
5 E – 9 x υ
0
FM Deviation
0
0
10
10
1E + 6
1 K (8662)
600 (8663)
Measure
Compute
Compute
Agilent 8642A/B FM Deviation 0 10 600 Compute
Agilent 8644B FM Deviation 0 10 600 Compute
Other Signal Generator
DCFM Calibrated for
±1V
FM Deviation 0 10 R
in
Compute
Other User VCO Source Estimated within a
factor of 2
–10 to
+10
1 E + 6 Measure